Hesham/wireguard-android
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fab: use auto calculated fling threshold

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2018-07-18 02:31:52 +02:00
parent f315654d40
commit 8e3586328c
1 changed files with 8 additions and 3 deletions
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11
app/src/main/java/com/wireguard/android/widget/CustomRecyclerViewScrollListener.java
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@ -8,21 +8,26 @@ package com.wireguard.android.widget;
import android.support.v7.widget.RecyclerView;
import com.wireguard.android.R;
public abstract class CustomRecyclerViewScrollListener extends RecyclerView.OnScrollListener {
private int scrollDist;
private boolean isVisible = true;
private static final float FLING_THRESHOLD = 25;
private static int flingThreshold;
@Override
public void onScrolled(final RecyclerView recyclerView, final int dx, final int dy) {
super.onScrolled(recyclerView, dx, dy);
if (isVisible && scrollDist > FLING_THRESHOLD) {
if (flingThreshold == 0)
flingThreshold = recyclerView.getResources().getDimensionPixelSize(R.dimen.design_fab_size_normal) / 2;
if (isVisible && scrollDist >= flingThreshold) {
hide();
scrollDist = 0;
isVisible = false;
} else if (!isVisible && scrollDist < -FLING_THRESHOLD) {
} else if (!isVisible && scrollDist <= -flingThreshold) {
show();
scrollDist = 0;
isVisible = true;